# Blackmount โ€” Tab Saver & Session Manager > Save all your tabs in one click. Restore sessions anytime. Sync across devices. Voice notes, offline-first, smart deduplication. The fastest tab manager for Firefox. Free. Canonical page: [https://chrome-stats.com/d/blackmount](https://chrome-stats.com/d/blackmount) ## Overview - **ID:** `blackmount` - **Platform:** Firefox - **Type:** Firefox add-on - **Status:** Available - **Publisher:** Blackmount.ai Inc - **Category:** privacy-security,bookmarks,tabs - **Daily users:** 1 - **Version:** 2.1.8 - **Last updated:** 2026-04-24 - **First published:** 2025-10-11 - **Size:** 321 KB - **Data as of:** 2026-09-06 - **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/blackmount/) - **Website:** [https://app.blackmount.ai](https://app.blackmount.ai/) - **Privacy policy:** [https://addons.mozilla.org/firefox/addon/blackmount/privacy/](https://addons.mozilla.org/firefox/addon/blackmount/privacy/) ## Description Blackmount โ€” Tab Saver & Session Manager Save all tabs in one click. Restore sessions anytime. Sync across devices. Voice notes, smart dedup, offline-first. Free. ๐Ÿ† THE FASTEST TAB MANAGER & SESSION MANAGER FOR CHROME Save your entire browser session in ONE CLICK. Restore it anytime โ€” on any device. Never lose tabs again. โ˜… Better than OneTab โ€” Blackmount saves entire sessions with context, not just a list of URLs โ˜… Better than Session Buddy โ€” cloud sync across devices, voice notes, offline-first โ˜… Better than Tab Manager Plus โ€” faster, cleaner, with smart deduplication โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โšก SAVE & RESTORE TABS INSTANTLY โ€ข One click to save ALL open tabs (saves 100 tabs in under 1 second) โ€ข Smart auto-naming so sessions are easy to find โ€ข Restore to a new window or your current one โ€ข Search across every tab you've ever saved ๐Ÿ—‚๏ธ ORGANIZE YOUR TAB GROUPS โ€ข Group sessions into Projects (research, work, personal) โ€ข Add VOICE NOTES for context โ€” "why did I save these tabs?" โ€ข Tag, filter, and search hundreds of saved sessions โ€ข Works offline โ€” syncs automatically when you're back online ๐Ÿ’ก PERFECT FOR: โ€ข Researchers with 40+ tabs open โ€ข Developers switching between codebases โ€ข Students organizing coursework โ€ข Marketers tracking campaigns and competitors โ€ข Tab hoarders afraid to close Chrome โ€ข Anyone who's lost work to a browser crash โœจ WHY CHOOSE BLACKMOUNT OVER OTHER TAB MANAGERS? โ€ข ๐Ÿš€ SPEED: Saves 50-100 tabs in under a second โ€ข ๐Ÿ”„ SYNC: Cloud sync across all your devices (laptop โ†’ desktop โ†’ phone) โ€ข ๐ŸŽ™๏ธ VOICE: Add voice memos to sessions (unique โ€” no other tab manager does this) โ€ข ๐Ÿ“ด OFFLINE: Fully usable without internet, syncs when online โ€ข ๐Ÿงน SMART: Automatic deduplication โ€” no repeated tabs โ€ข ๐Ÿ”’ PRIVATE: Encrypted, no tracking, no data selling โ€ข ๐Ÿ›ก๏ธ MODERN: Built on Manifest V3 โ€” future-proof and secure โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ”’ PRIVACY & SECURITY โ€ข No advertising-based tracking โ€ข Your browsing data is NEVER sold โ€ข Encrypted in transit and at rest โ€ข Clear, transparent privacy policy ๐Ÿš€ START IN 30 SECONDS
  1. Install Blackmount
  2. Click the icon to save your tabs
  3. Done. Your session is saved forever.
Free tier available. Pro unlocks unlimited sessions and faster sync. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Version 2.1.2 โ€” What's New New โ€ข More reliable cloud sync with improved deduplication โ€ข Guest Mode โ€” save sessions without signing in โ€ข Offline-first storage with automatic background sync Improvements โ€ข Faster loading and search โ€ข Smoother cross-device syncing โ€ข Better handling of large session libraries Fixes โ€ข Improved session tab count accuracy โ€ข Enhanced error handling and recovery ## Rankings - #103,270 โ€” Overall - #190 โ€” session ## Permissions and access ### Permissions - `tabs` - `storage` - `activeTab` - `windows` - `notifications` - `identity` - `contextMenus` - `alarms` - `scripting` ### Host permissions - `https://app.blackmount.ai/*` - `https://chatgpt.com/*` - `https://chat.openai.com/*` - `https://claude.ai/*` - `https://gemini.google.com/*` - `https://grok.com/*` - `https://www.meta.ai/*` - `https://chat.deepseek.com/*` - `https://www.perplexity.ai/*` ## Safety - **Risk impact:** Very high risk impact - **Risk likelihood:** Moderate risk likelihood ### Analysis details - Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern. - This extension has low user count. Unpopular extensions may not be stable or safe. > Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing). ## Similar extensions and apps - [AllTab](https://chrome-stats.com/d/alltab) โ€” 17 users, 5.00 / 5 - [Session Manager](https://chrome-stats.com/d/session-manager-latest) โ€” 5 users - [Super Session Manager](https://chrome-stats.com/d/super-session-manager) โ€” 18 users, 5.00 / 5 - [quickSession](https://chrome-stats.com/d/quicksession) โ€” 1 users - [TabSaver โ€” Session Manager](https://chrome-stats.com/d/tabsaver-session-manager) - [Session Manager Pro](https://chrome-stats.com/d/session-manager-pf) โ€” 11 users, 3.67 / 5 - [Tab Session Manager - Save & Restore](https://chrome-stats.com/d/tabsm) โ€” 8 users, 4.50 / 5 - [Smart Tab Booker](https://chrome-stats.com/d/smart-tab-booker) - [TabKeep - Tab & Session Manager](https://chrome-stats.com/d/tabkeep-tab-session-manager) - [Tab Session Master](https://chrome-stats.com/d/tab-session-master) โ€” 255 users, 3.54 / 5 - [tab-saver-sessions](https://chrome-stats.com/d/tab-saver-sessions) โ€” 14 users - [VertiTab](https://chrome-stats.com/d/vertitab) โ€” 92 users, 4.83 / 5 --- Source: [Chrome-Stats](https://chrome-stats.com/d/blackmount)